DETAILS: Genovation is a world leading independent maker of programmable keypads. It offers a family of keypads that are fully compatible with every PC, and interface to the PC via available port. In fact, Genovation pioneered the interface of keypads to the computer"s parallel and serial ports. Product Description: Genovation Micropad 631 - keypad Device Type: Keypad Dimensions (WxDxH): 4.9 in x 15.6 in x 1 in Weight: 0.4 lbs Localization: English Connectivity Technology: Wired - USB Keys Qty: 18 Cables Included: 1 x serial cable - external - 3.3 ft OS Required: Microsoft Windows 98/2000 Package Type: Retail UPC: 0768897631027